Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
  • Biophysical profile
    • This is an antepartum test evaluating five separate parameters of fetal well being, often done when the nonstress test is abnormal or equivocal:
      • Nonstress test
      • Amniotic fluid index
      • Ultrasound fetal movement
      • Ultrasound fetal tone
      • Ultrasound fetal breathing
    • Each parameter is given a score of 0 or 2, and management decisions are made based on the cumulative score.
  • Bone density
    • BMD or bone mineral density is a measure of the character of bone. It is used to predict fracture risk.
    • Typically, areas at risk for fracture are evaluated such as spine, femur and hip.
    • There are numerous acceptable methods for measuring BMD.
    • T score is the patient's BMD compared to the mean peak BMD for a 30-year old.
    • Osteoporosis is diagnosed when the BMD is 2.5 standard deviations (SD) below the peak mean for a 30-year old or the T score is -2.5.
    • Osteopenia is an intermediary condition of increased fracture risk diagnosed when the T score is -1.0 to -2.5.
    • See also: National Osteoporosis Foundation.
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